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usb: dwc3: gadget: Add the suspend state checking when stopping gadget 

It will be crash to stop gadget when the dwc3 device had been into suspend
state, thus we need to check if the dwc3 device had been into suspend state
when UDC try to stop gadget.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Baolin Wang 2016-06-20 16:19:48 +08:00 committed by Felipe Balbi
parent 0e146028ee
commit da1410be21
1 changed files with 3 additions and 0 deletions
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3
drivers/usb/dwc3/gadget.c
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@ -1803,6 +1803,9 @@ static int dwc3_gadget_start(struct usb_gadget *g,
static void __dwc3_gadget_stop(struct dwc3 *dwc)
{
if (pm_runtime_suspended(dwc->dev))
return;
dwc3_gadget_disable_irq(dwc);
__dwc3_gadget_ep_disable(dwc->eps[0]);
__dwc3_gadget_ep_disable(dwc->eps[1]);